Your network consists of a single Active Directory domain. The domain contains 13 member servers. The member servers run Windows Server 2003 Service Pack 2 (SP2). The computer accounts for all member servers are located in an organizational unit (OU) named Servers. You need to prevent remote desktop connections to the member servers.
What should you do?

A.
On each server, remove all users from the Remote Desktop Users group.

B.
On each server, run the Terminal Services Configuration console. From the RDP TCP connection permissions properties, set the Full Control permission for the Remote Desktop Users group to deny.

C.
Use a Group Policy Object (GPO) to disable the Allow users to connect remotely using Terminal Services setting.

D.
Use a Group Policy Object (GPO) to configure the Sets rules for remote control of Terminal Services user sessions setting to No Remote Control.